scholarly journals Substitution of Building Components in Historic Buildings

2021 ◽  
Vol 13 (16) ◽  
pp. 9211
Author(s):  
Anna Sobotka ◽  
Kazimierz Linczowski ◽  
Aleksandra Radziejowska
Keyword(s):  
Multicriteria Analysis ◽  
Quality Parameters ◽  
Historic Buildings ◽  
Construction Technology ◽  
Construction Work ◽  
Repair Work ◽  
Material Substitution ◽  
Construction Products ◽  
Building Components ◽  
Selection Of

Historic buildings that have survived to the present day have been subject to maintenance, repair, and overhaul. Repair work is being carried out so that it can be enjoyed by future generations. However, there have been changes in the construction technology: some construction products have been discontinued and replaced with others of different quality parameters, lower prices, etc. It is necessary to use substitute products during construction work—that is, replacement products that are shaped after the original. Therefore, there is a problem of selecting the best possible substitute material, taking into account many important factors, including the recommendations and requirements of the conservator. This paper presents a methodology for the process of material substitution planning and selection of a substitute with the use of multicriteria analysis, by implementing it in the refurbishment of a historic building façade.

scholarly journals Substitution of Material Solutions in the Operating Phase of a Building

2021 ◽  
Vol 11 (6) ◽  
pp. 2812
Author(s):  
Anna Sobotka ◽  
Kazimierz Linczowski ◽  
Aleksandra Radziejowska
Keyword(s):  
Decision Making ◽  
Laboratory Method ◽  
Historic Buildings ◽  
Construction Technology ◽  
Construction Sector ◽  
Effect Analysis ◽  
Material Substitution ◽  
Cause And Effect ◽  
Cause And Effect Analysis ◽  
Operational Phase

During the operation of buildings, repairs, modernizations, adaptations, renovations, and reconstructions of parts of historic objects are performed. There is often the problem of using a different material or construction technology than was originally used, for a variety of reasons. For example, these are materials not currently manufactured, with necessary higher performance values (insulation, strength). The aim of the article was to analyze and evaluate the possibility of material substitution in repair works and to analyze the cause and effect analysis of its application in the context of different conditions. The article analyzes the causes and conditions of the substitution of materials in various stages of the exploitation phase of buildings, including historic buildings. A SWOT (Strengths, Weaknesses, Opportunities, Threats) matrix was developed for the phenomenon of material substitution during the operational phase. With aid from the DEMATEL (Decision Making Trial and Evaluation Laboratory) method, identification of cause–effect relationships regarding the issue of the possibility of applying the substitution of material solutions in building objects was carried out. The analysis carried out by the authors allows us to conclude that the use of substitution in the construction sector is justified and shows great opportunities in its implementation and development.

scholarly journals Skriftsprogskompetence og skriftsprogsvalg hos to kommandanter på Kronborg i 2. halvdel af 1600-tallet

2016 ◽  
Vol 52 ◽  
Author(s):  
Birgit Christensen
Keyword(s):  
Empirical Study ◽  
Language Skills ◽  
Written Language ◽  
German Language ◽  
Construction Work ◽  
Command Language ◽  
Vital Importance ◽  
The Subject ◽  
Professional Writers ◽  
Selection Of

It is a rule of thumb that the army’s command language was German until 1773 andafter that Danish. But along with the language of the army, the army’s administrationalso had a written language, and that is the subject of this brief empirical study. Thestudy will discuss the written language skills and the choice of written language by twocommandants of the same age at Kronborg, who were otherwise very different people,each holding the position of commandant at the fortress for a number of years in thesecond half of 17th century, in a selection of letters from them to the king and thecentral administration. The letters are often about the construction work, which tookplace at Kronborg at the time. The following questions are asked: Which language wasused when writing to whom? And what language did they allow to be written to whom,when they used professional writers? In what situations did they use professional writers?Was the choice of language determined by the recipient? The first is the Danishnobleman Eiller Holck (1627–1696). The letters examined are from 1660–1664. EillerHolck, who was quite well-educated, was skilled at writing in both Danish and German,but mostly used a writer, and when writing himself, he seldomly wrote more than ashort text near his signature. When he himself wrote to the king, he wrote Danish,but when writing to the king using a writer, the writer used German. This was also thecase when writing to the Danish/Norwegian nobleman Jørgen Bielke. This is perhapslinked with the language skills of the writer that was available. Holck took into accountthe fact that his superior, Danish Field Marshall Hans Schack, preferred German. BothHans Schack and Eiller Holck used translations in communications with their troops.The second is Jacob Geueke, son of a commoner from Burg on the German island ofFemern (1617–1699). The letters examined are from 1688–1692. He used German language writers, only wrote amendments on the letters himself and only in Germanand was not satisfied with his own standard of writing. Perhaps he understood Danish.It is of vital importance that many of the recipients of the letters in the central administrationwere from Holsten. Perhaps the delivered correspondence would have beenin Danish to a greater extent had Jørgen Bielke been more involved in the administration?

scholarly journals Sustainable and traditional technologies in Kutahya historic houses and their contribution to circularity: the case of Lajos Kossuth house

2021 ◽  
Vol 6 (1) ◽  
pp. 92
Author(s):  
Betül Ankaralıgil ◽  
Gülşen Dişli
Keyword(s):  
Traditional Knowledge ◽  
Energy Demand ◽  
Knowledge Systems ◽  
Service Systems ◽  
Historic Buildings ◽  
Construction Technology ◽  
Building Systems ◽  
Heritage Buildings ◽  
Cradle To Cradle

<p>It is important to preserve historic buildings in their original conditions, not only to protect building integrity but also to sustain Traditional Knowledge Systems. As stated by ICCROM, those Traditional Knowledge Systems play an important role in the conservation and management of heritage. Among them, building service systems including heating, cooling, ventilation, lighting, drainage, and their architectural construction technology help sustain heritage buildings and extend their life cycle with a minimum level of energy demand. Passive survivability means also contribute to comfort conditions, opening new scenarios for the designing of contemporary buildings. Hence, in this research, first, traditional Kutahya houses were examined in terms of their construction, technology, and architecture. Then, among them, Lajos Kossuth House, dated the 18<sup>th</sup> century, has been chosen as an exemplary to investigate its traditional building service systems in more detail from the point of circularity in construction, their contribution to circular economy, Cradle to Cradle (C2C) strategies, and design for adaptability principles (DfA).  It is observed that they are mostly in a well-preserved condition in terms of both function and character-defining features. However, after 1982, during its refurbishment work to be used as a museum, some of its original details, especially the ones related to waste and clean water were destroyed. To be able to sustain and protect the rest of the original service systems and related architectural construction details in this case study building, they should first be documented, well defined and their recognition should be increased to serve as a model for the maintenance of similar building systems. In addition, it might be possible to transfer the knowledge of those passive survivability means and circular construction principles to contemporary buildings.</p>

scholarly journals Selection of optimal thickness of thermal insulation of modular buildings on the basis of multicriterial analysis

2020 ◽  
pp. 82-91
Author(s):  
V. Zhelykh ◽  
◽  
Yu. Furdas ◽  
S. Shapoval ◽  
M. Rebman ◽  
...  
Keyword(s):  
Thermal Insulation ◽  
Multicriteria Analysis ◽  
Theoretical Research ◽  
Expert Assessment ◽  
Insulation Material ◽  
Modular Construction ◽  
Optimal Thickness ◽  
Short Period ◽  
Modular Buildings ◽  
Selection Of

Today modular construction is gaining popularity in the arrangement of production facilities. The purpose of the research is the theoretical substantiation of the choice of the optimal thickness of thermal insulation for external protections of modular buildings taking into account the evaluation criteria based on the method of hierarchy analysis. The article reflects the possibility of using modular buildings for residential and public needs. Given the peculiarities of the use of thermal insulation materials, such structures are erected in a short period of time due to the use of ready-made modules. It is also proposed to use multicriteria analysis to compare different thicknesses of thermal insulation of a modular building. The obtained results are presented in the form of petal diagrams and diagrams of global priorities, which made it possible to make an in-depth assessment of several thicknesses of thermal insulation. When conducting theoretical research, it should be noted that the importance of each of the criteria was taken into account for the selection of thermal insulation. An expert assessment was performed to determine the thickness of thermal insulation, which can be used for lightweight prefabricated structures of modular buildings. As a result of research, it was found that the most suitable thermal insulation material is polyurethane.

scholarly journals Selection of inocula conditioning methodologies for the anaerobic digestion of food waste

2019 ◽  
pp. 9-18
Author(s):  
Brayan Alexis Parra Orobio ◽  
Melkin Nieto Mendoza ◽  
Diego Rivera Henao ◽  
Pablo Cesar Manyoma Vélasquez ◽  
Patricia Torres Lozada
Keyword(s):  
Anaerobic Digestion ◽  
Latin American ◽  
Food Waste ◽  
Multicriteria Analysis ◽  
Granular Sludge ◽  
Methanogenic Activity ◽  
Significant Events ◽  
Hierarchy Process ◽  
Selection Of ◽  
Main Strategy

Food waste (FW) has a high potential for use in biological processes such as anaerobic digestion (AD), especially due to its high content of biodegradable organic matter. To inoculate the reactors, sludge is usually used. The sludge should ideally have good sedimentation and specific methanogenic activity (SMA), which is typical for granular sludge. However, in a Latin American context, the most available and accessible sludges are flocculants with low sedimentation and SMA. Applying technological surveillance between 1975 and 2017, using multicriteria analysis techniques such as analytical hierarchy process (AHP), and consulting with international and national experts, we observed that there were few studies, compared to published studies on the substrates that focused on improving inoculum quality through conditioning to improve its characteristics and maximize methane production. The inoculum-conditioning methodologies identified were grouped into five categories, being the main strategy the addition of nutrients followed by anaerobic digestion with an easily degradable substrate. However, extension of technological surveillance is recommended by incorporating the results published from significant events in the field of anaerobic digestion, such as the Latin American Workshop and Symposium on Anaerobic Digestion and the World Congress on Anaerobic Digestion.

Joining Technologies for Material Substitution by Using Carbon Fiber Reinforced Plastics

2016 ◽  
Vol 856 ◽  
pp. 224-230
Author(s):  
Johannes Boehner ◽  
Josefine Jahn ◽  
Melanie Klein ◽  
Rolf Steinhilper
Keyword(s):  
Carbon Fiber ◽  
Modern Society ◽  
High Tech ◽  
Fiber Reinforced ◽  
Material Substitution ◽  
Carbon Fiber Reinforced Plastics ◽  
Reinforced Plastics ◽  
Fiber Reinforced Plastics ◽  
Carbon Fiber Reinforced ◽  
Selection Of

In modern society, sustainability, resources awareness and energy saving are becoming increasingly important. At the same time, advanced high-tech products are requested by the customers. A promising approach to address these demands is the use of lightweight constructions with a focus on the utilization of mixed materials. Therefore, competitive, economic and producible joining technologies for carbon fiber reinforced plastics are required. This paper firstly discusses the benefits of materials substitution by carbon fiber reinforced plastics (CFRP) by demonstrating two case studies. The applied methods for materials substitution are presented focusing on the weight reduction and the selection of suitable joining technologies.

scholarly journals Multicriteria comparative analysis of pillars strengthening of the historic building

2019 ◽  
Vol 9 (1) ◽  
pp. 18-25 ◽  
Author(s):  
Katarzyna Kafel ◽  
Agnieszka Leśniak ◽  
Krzysztof Zima
Keyword(s):  
Comparative Analysis ◽  
Carrying Capacity ◽  
Evaluation Criteria ◽  
Historic Buildings ◽  
Historic Building ◽  
Wide Range ◽  
Over Time ◽  
Selection Of

AbstractOver time, historic buildings are exposed to various destructive mechanisms brought about by a wide range of damaging factors. Costs and methods of reinforcing their individual components are, among others, an important issue. The term "reinforcement" is linked with the concept of conservation, which stands for the actions taken with the aim of preserving a building. It provides a well-articulated system consisting of activities that lead to the reinforcement of the structure, usability enhancement or to the improvement of its carrying capacity. This article analyses the selection of an appropriate brick pillar reinforcement method, taking into account accepted evaluation criteria.

scholarly journals Improving the Sustainability of Traditional Dwellings in Yunnan, China: Seismic Resistance Testing of Wood-frame and Earth-Built Wall Dwellings

2019 ◽  
Vol 11 (4) ◽  
pp. 977 ◽  
Author(s):  
Yu Bai ◽  
Jing Gao ◽  
Adrian Pitts ◽  
Yun Gao ◽  
Wenfeng Bai ◽  
...  
Keyword(s):  
Residential Buildings ◽  
Residential Building ◽  
Shaking Table ◽  
Resistance Testing ◽  
Construction Technology ◽  
Seismic Capacity ◽  
Future Design ◽  
Earthquakes In China ◽  
Building Components ◽  
Wood Frame

The Southwest provinces of China are locations with a rich variety of different dwelling design typologies based on traditional cultures and ethnic groups. In this area, the Province of Yunnan has many such dwelling types, and it is also an area with most frequent earthquakes in China. The seismic problems of housing structure must therefore be solved as part of the study on sustainable development of villages to provide relevant advice for future design options. This paper reports research, which evolved over a ten-year period that deals with the seismic capacity of residential buildings. Simulations using shaking table tests were carried out to assess the performance of traditional residential structures as well with the impacts of material modifications and the structural strengthening of common residential building components found in Yunnan. Relevant and pertinent construction technology solutions that could enhance the seismic capacity of residential buildings and act as innovative improvements for the sustainability of rural dwellings are suggested.

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